const { BookModel } = require('../../models/book')
import { LikeModel } from '../../models/like'

const bookModel = new BookModel()
let likeModel = new LikeModel()

// pages/book-detail/book-detail.js
Page({
  /**
   * 页面的初始数据
   */
  data: {
    comments: [],
    book: null,
    likeCount: 0,
    likeStatus: false,
    posting: false,
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    wx.showLoading()
    const bid = options.bid
    const detail = bookModel.getDetail(bid)
    const comments = bookModel.getComments(bid)
    const likeStatus = bookModel.getLikeStatus(bid)

    Promise.all([detail, comments, likeStatus]).then((res) => {
      this.setData({
        book: res[0],
        comments: res[1].comments,
        likeStatus: res[2].like_status,
        likeCount: res[2].fav_nums,
      })
      wx.hideLoading()
    })
  },

  onLike(event) {
    let behavior = event.detail.behavior
    likeModel.like(behavior, this.data.book.id, 400)
  },

  onFakePost(event) {
    this.setData({
      posting: true,
    })
  },

  onCancel(event) {
    this.setData({
      posting: false,
    })
  },

  onPost(event) {
    const comment = event.detail.text || event.detail.value

    if (!comment) {
      return
    }

    if (comment.length > 12) {
      wx.showToast({
        title: '短评最多12个字',
        icon: 'none',
      })
      return
    }

    bookModel.postComment(this.data.book.id, comment).then((res) => {
      wx.showToast({
        title: '+ 1',
        icon: 'none',
      })

      this.data.comments.unshift({
        content: comment,
        nums: 1,
      })

      this.setData({
        comments: this.data.comments,
        posting: false
      })
    })
  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {},

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {},

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {},

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {},

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {},

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {},

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {},
})